Delta CT2000 Series User Manual page 612

Chapter 18 Suggestions and Error Corrections for Standard AC Motor Drives CT2000 Series
18-5 Industrial Dust Problem
Serious industrial dust pollution frequently occurs in stone processing plants, flour mills, cement
plants, and so on. Please be aware of the possible damage that industrial dust may cause to your
drives:
1. Dust accumulating on electronic components may cause overheating problem and shorten the
service life of the drive.
2. Conductive dust may damage the circuit board and may even cause the drive to explode.
Solution:
Install the AC motor drive in a standard cabinet and cover the drive with a dust cover. Clean the
cabinet and ventilation hole regularly for good ventilation.
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